3453205462640 has 80 divisors (see below), whose sum is σ = 8042913137280. Its totient is φ = 1378839179520.

The previous prime is 3453205462627. The next prime is 3453205462657. The reversal of 3453205462640 is 462645023543.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 3453205462591 and 3453205462600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137177255 + ... + 137202425.

It is an arithmetic number, because the mean of its divisors is an integer number (100536414216).

Almost surely, 2^{3453205462640} is an apocalyptic number.

It is an amenable number.

3453205462640 is an abundant number, since it is smaller than the sum of its proper divisors (4589707674640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3453205462640 is a wasteful number, since it uses less digits than its factorization.

3453205462640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28150 (or 28144 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 44.

The spelling of 3453205462640 in words is "three trillion, four hundred fifty-three billion, two hundred five million, four hundred sixty-two thousand, six hundred forty".